Performance Unit vs Box + Burn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Performance Unit
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With the Performance Unit App, you can start tracking your nutrition & workouts, measuring results, and achieving your fitness goals, all with the help of your personal trainer. - Set health and fitness goals - Track progress towards your goals - Manage your nutrition intake as prescribed by your coach - Schedule workouts and stay committed by beating your personal bests - Access training plans and track workouts - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect to wearable devices like Apple Watch (healthkit), Fitbit and Withings to sync body stats instantly Download the app today!
Box + Burn
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Download the Box + Burn app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, purchase class packages, check your profile and membership status, keep up to date with the latest products and services, and more – all from your device. Visit www.boxnburn.fi to learn more.
Screenshots
Verdict
The clearest difference is update cadence: Performance Unit at every 6 weeks against Box + Burn's every 5 months. Performance Unit also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Performance Unit ships an update every 6 weeks, Box + Burn every 5 months. The most recent releases landed on May 17, 2026 and September 8, 2026 respectively.
| Parameter | Performance Unit | Box + Burn |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 205 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Selkrig Performance | Workoutroba Oy |
In-app purchases
Performance Unit
No in-app purchases
Box + Burn
No in-app purchases
